Dave Duncan’s The Eye of Strife is, according to his web page, his fiftieth published novel; and if it’s not going to throw his best-of list too terribly out of joint, it’s still a reasonably enjoyable light-ish fantasy.
The story revolves around the titular eye (really a gem), an object of great power and historical significance; and a group of people who are tied up with it in one way or another, and have been brought together mysteriously to tell their stories that hidden truths might be revealed.
As I say, this isn’t going to set the world on fire, but it’s fun. It’s got a sword-and-sorcery feel to it, although Duncan is always original enough that nothing feels too derivative or generic. If you’re in the mood for a book with duels and priestesses and ancient empires and caravans and magical gems, this’ll hit the spot.